DongLiORM 第二次更新

DongLiORM进行了第二次更新。
在性能方面改善了许多。
对一个4个字段，每个字段大约10个字符的表，查询大约每秒12万~16万条，新增/删除大约每秒1600~1800条。
测试环境:
    WinXP Sp2，奔4 2.9G，1.5GB内存, Sql Server Express.

不知这种测试算不算科学。欢迎大家拍砖。

测试用的类
UserItem.cs

using System;
using System.Collections.Generic;
using System.Collections;

namespace BUL.Security
{
    /**//// <summary>
    /// 实体类UserItem 。(属性说明自动提取数据库字段的描述信息)
    /// </summary>
    /// 
    [Serializable]
    [DongLiORM.BusinessAttribute("UsersView",new string[]{"UserID"},typeof(UserItem))]
    public class UserItem:DongLiORM.BusinessObject
    {
        public UserItem()
        {       
        }

        private string _userid;
        private string _username;
        private string _pwd;
        private string _email;
        /**//// <summary>
        /// 
        /// </summary>
        public string UserID
        {
            set { _userid = value; }
            get { return _userid; }
        }
        /**//// <summary>
        /// 
        /// </summary>
        public string UserName
        {
            set { _username = value; }
            get { return _username; }
        }
        /**//// <summary>
        /// 
        /// </summary>
        public string Pwd
        {
            set { _pwd = value; }
            get { return _pwd; }
        }
        /**//// <summary>
        /// 
        /// </summary>
        public string Email
        {
            set { _email = value; }
            get { return _email; }
        }


        Indexer#region Indexer

        public override object this[string PropertyName]
        {
            get
            {
                switch (PropertyName)
                {
                    case "UserID": return _userid;
                    case "UserName": return _username;
                    case "Pwd": return _pwd;
                    case "Email": return _email;
                }
                return base[PropertyName];
            }
            set
            {
                switch (PropertyName)
                {
                    case "UserID": _userid = (string)value; return;
                    case "UserName": _username = (string)value; return;
                    case "Pwd": _pwd = (string)value; return;
                    case "Email": _email = (string)value; return;
                }
                base[PropertyName] = value;
            }
        }

        #endregion 
    }
}

测试用到窗体

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Data.SqlClient;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Xml.Serialization;
using System.IO;
using BUL.Security;
using DongLiORM;

namespace DongLiCreatorTest
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            this.comboBox1.SelectedIndex = 0;
        }

        private void button1_Click(object sender, EventArgs e)
        {
            if(comboBox1.SelectedIndex==0)
                InsertTest();
            else if(comboBox1.SelectedIndex==1)
                DeleteTest();
            else
                SelectTest();
        }


        const int MaxLong = 10000;
        private void DeleteTest()
        {   
            long end = 0;

            BusinessAttribute Attr = BusinessAttribute.GetBusinessAttr(typeof(UserItem));
            UserItem AUser = null;
            long Start2 = DateTime.Now.Ticks;
            for (int i = 0, j = MaxLong; i < MaxLong; i++, j++)
            {
                AUser = new UserItem();
                AUser.UserID = string.Format("U_ID{0}", j);
                AUser.UserName = string.Format("U_Name{0}", j);
                AUser.Pwd = string.Format("Pwd{0}", j);
                AUser.Email = string.Format("Email{0}", j);

                Attr.Writer.Delete(AUser);
            }
            end = DateTime.Now.Ticks;
            long Span2 = end - Start2;
            label2.Text = (1.0F / ((float)Span2 / (float)TimeSpan.TicksPerSecond / (float)MaxLong)).ToString();
           // label2.Text = ((float)Span2 / (float)TimeSpan.TicksPerMillisecond).ToString();


            long Start1 = DateTime.Now.Ticks;
            string Sql = "Delete from  UsersView where UserID=@UserID and UserName=@UserName and Pwd=@Pwd and Email=@Email";
            //SqlConnection con = new SqlConnection("server=.;UID=sa;PWD=cctqa;database=TQM_2007");
            con.Open();
            for (int i = 0; i < MaxLong; i++)
            {
                SqlParameter[] Params = new SqlParameter[4]
                {
                    new SqlParameter("@UserID",SqlDbType.VarChar,10),
                    new SqlParameter("@UserName",SqlDbType.VarChar,50),
                    new SqlParameter("@Pwd",SqlDbType.VarChar,50),
                    new SqlParameter("@Email",SqlDbType.VarChar,255)
                };
                Params[0].Value = string.Format("U_ID{0}", i);
                Params[1].Value = string.Format("U_Name{0}",i);
                Params[2].Value = string.Format("Pwd{0}", i);
                Params[3].Value = string.Format("Email{0}", i);


                SqlCommand cm = new SqlCommand(Sql, con);
                foreach (SqlParameter param in Params)
                    cm.Parameters.Add(param);
                cm.ExecuteNonQuery();
            }

            end = DateTime.Now.Ticks;
            long Span1 = end - Start1;
            label1.Text = (1.0F / ((float)Span1 / (float)TimeSpan.TicksPerSecond / (float)MaxLong)).ToString();
            //label1.Text = ((float)Span1 / (float)TimeSpan.TicksPerMillisecond).ToString();
            con.Close();
            //con.Dispose();


            if (Span1 > 0)
                MessageBox.Show(((float)Span2 / (float)Span1).ToString());
        }

        private void InsertTest()
        {           
            UserItem AUser = null;
            BusinessAttribute Attr = BusinessAttribute.GetBusinessAttr(typeof(UserItem));
            long Start1 = DateTime.Now.Ticks;
            string Sql = "insert into UsersView(UserID,UserName,Pwd,Email) values(@UserID,@UserName,@Pwd,@Email)";
            //SqlConnection con = new SqlConnection("server=.;UID=sa;PWD=cctqa;database=TQM_2007");
            con.Open();
            for (int i = 0; i < MaxLong; i++)
            {
                SqlParameter[] Params = new SqlParameter[4]
                {
                    new SqlParameter("@UserID",string.Format("U_ID{0}",i)),
                    new SqlParameter("@UserName",string.Format("U_Name{0}",i)),
                    new SqlParameter("@Pwd",string.Format("Pwd{0}",i)),
                    new SqlParameter("@Email",string.Format("Email{0}",i))
                };
                SqlCommand cm = new SqlCommand(Sql, con);
                foreach (SqlParameter param in Params)
                    cm.Parameters.Add(param);
                cm.ExecuteNonQuery();
            }
           
            long end = DateTime.Now.Ticks;
            long Span1 = end - Start1;
            label1.Text = (1.0F / ((float)Span1 / (float)TimeSpan.TicksPerSecond / (float)MaxLong)).ToString();
            //label1.Text = ((float)Span1 / (float)TimeSpan.TicksPerMillisecond).ToString();
            con.Close();
            //con.Dispose();


            long Start2 = DateTime.Now.Ticks;
            for (int i = 0, j = MaxLong; i < MaxLong; i++, j++)
            {
                AUser = new UserItem();
                AUser.UserID = string.Format("U_ID{0}", j);
                AUser.UserName = string.Format("U_Name{0}", j);
                AUser.Pwd = string.Format("Pwd{0}", j);
                AUser.Email = string.Format("Email{0}", j);

                Attr.Writer.Insert(AUser);
            }
            end = DateTime.Now.Ticks;
            long Span2 = end - Start2;
            label2.Text = (1.0F / ((float)Span2 / (float)TimeSpan.TicksPerSecond / (float)MaxLong)).ToString();
            //label2.Text = ((float)Span2 / (float)TimeSpan.TicksPerMillisecond).ToString();

            if (Span1 > 0)
                MessageBox.Show(((float)Span2 / (float)Span1).ToString());
        }
        SqlConnection con = new SqlConnection("server=.;UID=sa;PWD=cctqa;database=TQM_2007");

        private void SelectTest()
        {            
            con.Open();

            long end = 0;
            long Start2 = DateTime.Now.Ticks;
            BusinessAttribute Attr = BusinessAttribute.GetBusinessAttr(typeof(UserItem));
            //            List<UserItem> Users = DBWR.Instance.GetDataThroughReader<UserItem>("Select * from UsersView", null);
            //            label2.Text = (1.0F / ((float)Span2 / (float)TimeSpan.TicksPerSecond / (float)Users.Count)).ToString();
            UserItem[] Users = (UserItem[])Attr.Reader.GetDataByCondition("");
            end = DateTime.Now.Ticks;
            long Span2 = end - Start2;
            label2.Text = (1.0F / ((float)Span2 / (float)TimeSpan.TicksPerSecond / (float)Users.Length)).ToString();
            //label2.Text = ((float)Span2 / (float)TimeSpan.TicksPerMillisecond).ToString();
       
  
            UserItem AUser = null;
            long Start1 = DateTime.Now.Ticks;
            string Sql = "select * from UsersView";
           
            SqlCommand cmd = new SqlCommand(Sql, con);
            SqlDataReader reader = cmd.ExecuteReader();

            List<UserItem> UserList = new List<UserItem>();
            while (reader.Read()) 
            {
                //AUser = ParseARow<UserItem>(row1);
                AUser = new UserItem();
                AUser.UserID = (string)reader["UserID"];
                AUser.UserName = (string)reader["UserName"];
                AUser.Pwd = (string)reader["Pwd"];
                AUser.Email = (string)reader["Email"];

                UserList.Add(AUser);

                //foreach (DataColumn c in table.Columns)
                //{
                //    AUser[c.ColumnName] = row1[c];
                //}
            }
            reader.Close();
            cmd.Dispose();
            con.Close();
            

            end = DateTime.Now.Ticks;
            long Span1 = end - Start1;
            label1.Text = (1.0F / ((float)Span1 / (float)TimeSpan.TicksPerSecond / (float)UserList.Count)).ToString();
            //label1.Text = ((float)Span1 / (float)TimeSpan.TicksPerMillisecond).ToString();
            
          //  con.Dispose();                              

            if (Span1 > 0)
                MessageBox.Show(((float)Span2 / (float)Span1).ToString());
        }

        private static T ParseARow<T>(DataRow row1) where T:UserItem,new()
        {
            T AUser = new T();
            //foreach (DataColumn c in row1.Table.Columns)
            //    AUser[c.ColumnName] = row1[c];
            AUser.UserID = row1["UserID"].ToString();
            AUser.UserName = row1["UserName"].ToString();
            AUser.Pwd = row1["Pwd"].ToString();
            AUser.Email = row1["Email"].ToString();
            return AUser;
        }
    }
}